MFC-7860DW FAQs & Troubleshooting MFC-7860DW Not your product? Sort by: Updated Date Popularity 5 Results 1. 07/10/2015 Clean the paper pick-up roller (video instructions available) 2. 07/09/2015 Clean the corona wire 3. 08/06/2012 Clean the drum unit 4. 08/03/2012 Clean the paper pick-up roller. 5. 11/15/2011 Clean the scanner to improve the copy or fax quality. Cleaning FAQs & Troubleshooting